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Finding the Fourth Proportional to 52,759.80, 79,149.96 and 17,231.04

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Solution

The fourth proportional to 52,759.80, 79,149.96 and 17,231.04 is: 25,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.80 : 79,149.96 = 17,231.04 : x
  2. Step 2: Convert to fraction form
    52,759.80/79,149.96 = 17,231.04/x
  3. Step 3: Cross multiply
    52,759.80x = 79,149.96 × 17,231.04
  4. Step 4: Simplify right side
    52,759.80x = 1,363,836,126.76
  5. Step 5: Solve for x
    x = 1,363,836,126.76/52,759.80
  6. Step 6: Final answer
    x = 25,849.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.